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Seems to work on PowerPC, need more testing (nw)

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Vas Crabb 2015-06-22 15:47:25 +10:00 committed by therealmogminer@gmail.com
parent 4c10fcbed2
commit e68b933d06
3 changed files with 33 additions and 24 deletions
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4
src/emu/video/rgbgen.c
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@ -8,6 +8,8 @@
***************************************************************************/
#if !defined(__ALTIVEC__)
#include "emu.h"
#include "rgbgen.h"
@ -128,3 +130,5 @@ UINT32 rgbaint_t::bilinear_filter(UINT32 rgb00, UINT32 rgb01, UINT32 rgb10, UINT
return (ag0 & 0xff00ff00) | (rb0 & 0x00ff00ff);
}
#endif // !defined(__ALTIVEC__)

48
src/emu/video/rgbvmx.c
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@ -17,12 +17,11 @@
TABLES
***************************************************************************/
const rgbaint_t::VECU16 rgbaint_t::maxbyte = { 255, 255, 255, 255, 255, 255, 255, 255 };
const rgbaint_t::VECU8 rgbaint_t::alpha_perm = { 16, 17, 18, 19, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
const rgbaint_t::VECU8 rgbaint_t::red_perm = { 0, 1, 2, 3, 16, 17, 18, 19, 8, 9, 10, 11, 12, 13, 14, 15 };
const rgbaint_t::VECU8 rgbaint_t::green_perm = { 0, 1, 2, 3, 4, 5, 6, 7, 16, 17, 18, 19, 12, 13, 14, 15 };
const rgbaint_t::VECU8 rgbaint_t::blue_perm = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 16, 17, 18, 19 };
const rgbaint_t::VECU16 rgbaint_t::scale_table[256] = {
const rgbaint_t::VECS16 rgbaint_t::scale_table[256] = {
{ 0, 256, 0, 256, 0, 256, 0, 256 }, { 1, 255, 1, 255, 1, 255, 1, 255 },
{ 2, 254, 2, 254, 2, 254, 2, 254 }, { 3, 253, 3, 253, 3, 253, 3, 253 },
{ 4, 252, 4, 252, 4, 252, 4, 252 }, { 5, 251, 5, 251, 5, 251, 5, 251 },
@ -163,8 +162,8 @@ extern const struct _rgbvmx_statics
void rgbaint_t::blend(const rgbaint_t& other, UINT8 factor)
{
m_value = _mm_unpacklo_epi16(m_value, other.m_value);
m_value = vec_add((VECU16)m_value, scale_table[factor]);
m_value = vec_mergeh(m_value, other.m_value);
m_value = vec_msum((VECS16)m_value, scale_table[factor], vec_splat_s32(0));
m_value = vec_sr(m_value, vec_splat_u32(8));
}
@ -212,26 +211,31 @@ void rgbaint_t::scale_add_and_clamp(const rgbaint_t& scale, const rgbaint_t& oth
UINT32 rgbaint_t::bilinear_filter(UINT32 rgb00, UINT32 rgb01, UINT32 rgb10, UINT32 rgb11, UINT8 u, UINT8 v)
{
__m128i color00 = _mm_cvtsi32_si128(rgb00);
__m128i color01 = _mm_cvtsi32_si128(rgb01);
__m128i color10 = _mm_cvtsi32_si128(rgb10);
__m128i color11 = _mm_cvtsi32_si128(rgb11);
const VECS32 zero = vec_splat_s32(0);
VECS32 color00 = vec_perm((VECS32)vec_lde(0, &rgb00), zero, vec_lvsl(0, &rgb00));
VECS32 color01 = vec_perm((VECS32)vec_lde(0, &rgb01), zero, vec_lvsl(0, &rgb01));
VECS32 color10 = vec_perm((VECS32)vec_lde(0, &rgb10), zero, vec_lvsl(0, &rgb10));
VECS32 color11 = vec_perm((VECS32)vec_lde(0, &rgb11), zero, vec_lvsl(0, &rgb11));
/* interleave color01 and color00 at the byte level */
color01 = _mm_unpacklo_epi8(color01, color00);
color11 = _mm_unpacklo_epi8(color11, color10);
color01 = _mm_unpacklo_epi8(color01, _mm_setzero_si128());
color11 = _mm_unpacklo_epi8(color11, _mm_setzero_si128());
color01 = _mm_madd_epi16(color01, *(__m128i *)&rgbsse_statics.scale_table[u][0]);
color11 = _mm_madd_epi16(color11, *(__m128i *)&rgbsse_statics.scale_table[u][0]);
color01 = _mm_slli_epi32(color01, 15);
color11 = _mm_srli_epi32(color11, 1);
color01 = _mm_max_epi16(color01, color11);
color01 = _mm_madd_epi16(color01, *(__m128i *)&rgbsse_statics.scale_table[v][0]);
color01 = _mm_srli_epi32(color01, 15);
color01 = _mm_packs_epi32(color01, color01);
color01 = _mm_packus_epi16(color01, color01);
return _mm_cvtsi128_si32(color01);
color01 = vec_mergeh((VECU8)color01, (VECU8)color00);
color11 = vec_mergeh((VECU8)color11, (VECU8)color10);
color01 = vec_mergeh((VECU8)zero, (VECU8)color01);
color11 = vec_mergeh((VECU8)zero, (VECU8)color11);
color01 = vec_msum((VECS16)color01, scale_table[u], zero);
color11 = vec_msum((VECS16)color11, scale_table[u], zero);
color01 = vec_sl(color01, vec_splat_u32(15));
color11 = vec_sr(color11, vec_splat_u32(1));
color01 = vec_max((VECS16)color01, (VECS16)color11);
color01 = vec_msum((VECS16)color01, scale_table[v], zero);
color01 = vec_sr(color01, vec_splat_u32(15));
color01 = vec_packs(color01, color01);
color01 = vec_packsu((VECS16)color01, (VECS16)color01);
UINT32 result;
vec_ste((VECU32)color01, 0, &result);
return result;
}
#endif // defined(__ALTIVEC__)

5
src/emu/video/rgbvmx.h
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@ -461,17 +461,18 @@ public:
protected:
typedef vector unsigned char VECU8;
typedef vector signed short VECS16;
typedef vector unsigned short VECU16;
typedef vector signed int VECS32;
typedef vector unsigned int VECU32;
vector VECU32 m_value;
static const VECU16 maxbyte;
static const VECU8 alpha_perm;
static const VECU8 red_perm;
static const VECU8 green_perm;
static const VECU8 blue_perm;
static const VECU16 scale_table[256];
static const VECS16 scale_table[256];
};